Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491532 | Liquid-crystal mixture with a pleochroic anthraquinone dye, and method for producing such a dye | Gunther Scherowsky, Alexander Moller, Gerd Heppke | 1985-01-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4491532 | Liquid-crystal mixture with a pleochroic anthraquinone dye, and method for producing such a dye | Gunther Scherowsky, Alexander Moller, Gerd Heppke | 1985-01-01 |